4Videosoft MP4 Converter is the professional video to MP4 Converter for you to convert all the mainstream video, like AVI, FLV, WMV to MP4, H.264/MPEG-4 AVC(.mp4), MOV, AVI, and convert audio or take out audio from videos to AAC, AC3, AIFF, AMR, AU, FLAC, MP3, M4A, MP2, OGG, WAV, WMA which is playable on all the MP4 MP3 players, such as iPod, iPhone, PSP, Creative Zen, iRiver PMP, Archos, PS3, Xbox.